<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>test</title>
</head>
<style>
	*{margin:0;padding:0;}
	.box{width:200px;height:200px;border-radius:20px;border:2px solid blue;box-shadow:10px 10px 10px green;margin:100px auto;text-align:center;line-height:40px; }
</style>
<body>
	<div class="box">
		test git!

		删除
	</div>
</body>
</html>